21033233113230 has 144 divisors (see below), whose sum is σ = 59436788692320. Its totient is φ = 5158163342592.

The previous prime is 21033233113213. The next prime is 21033233113241. The reversal of 21033233113230 is 3231133233012.

21033233113230 is a `hidden beast` number, since 2 + 1 + 0 + 3 + 3 + 2 + 331 + 1 + 323 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 21033233113194 and 21033233113203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1521127 + ... + 6661853.

It is an arithmetic number, because the mean of its divisors is an integer number (412755477030).

Almost surely, 2^{21033233113230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21033233113230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29718394346160).

21033233113230 is an abundant number, since it is smaller than the sum of its proper divisors (38403555579090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21033233113230 is a wasteful number, since it uses less digits than its factorization.

21033233113230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141035 (or 5141019 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 21033233113230 its reverse (3231133233012), we get a palindrome (24264366346242).

The spelling of 21033233113230 in words is "twenty-one trillion, thirty-three billion, two hundred thirty-three million, one hundred thirteen thousand, two hundred thirty".